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244752552021 = 387319344197
BaseRepresentation
bin1110001111110001100…
…0111001000001010101
3212101202020002212202010
43203330120321001111
513002223123131041
6304234320334433
723453124236415
oct3437430710125
9771666085663
10244752552021
119488748698a
123b527174419
131a106ba23a3
14bbbb93a645
1565772d4a16
hex38fc639055

244752552021 has 8 divisors (see below), whose sum is σ = 326374147744. Its totient is φ = 163149662160.

The previous prime is 244752551993. The next prime is 244752552067. The reversal of 244752552021 is 120255257442.

244752552021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 244752552021 - 26 = 244752551957 is a prime.

It is a super-2 number, since 2×2447525520212 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244752552221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4645906 + ... + 4698291.

It is an arithmetic number, because the mean of its divisors is an integer number (40796768468).

Almost surely, 2244752552021 is an apocalyptic number.

It is an amenable number.

244752552021 is a deficient number, since it is larger than the sum of its proper divisors (81621595723).

244752552021 is an equidigital number, since it uses as much as digits as its factorization.

244752552021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9352931.

The product of its (nonzero) digits is 224000, while the sum is 39.

The spelling of 244752552021 in words is "two hundred forty-four billion, seven hundred fifty-two million, five hundred fifty-two thousand, twenty-one".

Divisors: 1 3 8731 26193 9344197 28032591 81584184007 244752552021